backbone
                                                    英 ['bækbəʊn]
                                                                        美 ['bæk'bon]
                        
                
                
                
                
                    
                                    
                
                                                                                                        backbone 英文词源
                
                
                    
                        - backbone (n.)
- "spine," early 14c., from back (n.) + bone (n.). Figurative sense of "strength of character" is attested from 1843.
 
                
                                                    backbone 双语例句
                
                
                    1. Petty officers are the backbone of a navy.  军士是海军的骨干。 来自柯林斯例句
 - 2. Agriculture forms the backbone of the rural economy. 
- 农业是农村经济的基础。
来自《权威词典》
 
- 3. The wounded soldiers showed much backbone before the enemy. 
- 受伤的士兵在敌人面前表现出了威武不屈的精神.
来自《简明英汉词典》
 
- 4. Agriculture used to be the economic backbone of this country. 
- 农业曾是这个国家的经济支柱.
来自《简明英汉词典》
 
- 5. Standing up to bullies takes plenty of backbone. 
- 勇敢地对付暴徒需有大无畏精神.
来自《简明英汉词典》